Question: If we want to include attributes from two different relations, which of the following operations is neededA.ProjectionB.Set difference C . Cartesian productD.Union

If we want to include attributes from two different relations, which of the following operations is neededA.ProjectionB.Set difference C.Cartesian productD.Union

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

IDS 410: Business Database Technology Lambs-Are-Us Restaurant IDS 410: Business Database Technology Spring 2017 Individual Assignment #1 (database analysis) E-R Modeling of Lambs-Are-Us Restaurant...

Q:

Develop a flowchart and then write a C++ program using the operators shown and the if statements to solve the following program. a. Upon execution of the program, your first name and the last name...

Q:

Question: Social Responsibility and Ethics are two different issues.Define Social Responsibility as well as Ethics.How will each play a part in a company's international business operations? Example...

Q:

the following relational algebra questions based on tables S1 and S2 (below) Question 1 What is the output of S1 S2 ? The row identified by sid 22 The rows identified by sid 31 and 58 The row...

Q:

00:13 CS353 Spring 2019 Homework 2 Due: 6 March, Wednesday till 17:00 Q.1 (36 points) Consider the university database schema below STUDENT(s id, s name, address, status) PROFESSOR(p_id. p_name,...

Q:

MKT500 Week 7 Discussion Board I have attached the question, lecture notes, and an example of a student's response to the questions. Running head: KEYSAN NATURALS COMPANY: AIDA PRINCIPLE Keysan...

Q:

read this : then answer this question The Basics of Measurement - 27 28 - Software Metrics can use rules about measurement to codify our initial understanding, and then expand our horizons as we...

Q:

The Final Paper demonstrate of the reading as well as the discussion ponts. The purpose of this assignment is to the concepts studied in this into a cohesive and paper. The Final Paperwill be titled...

Q:

Chapter Six Union Organizing Campaigns This chapter is the first of two chapters that examine how unions organize new bargaining units and how and why employers attempt to avoid being unionized....

Q:

Chapter Six Union Organizing Campaigns This chapter is the first of two chapters that examine how unions organize new bargaining units and how and why employers attempt to avoid being unionized....

Q:

On October 1, 2020 Starstruck Inc, signed a $400,000, 9 month, 8% note payable. At due date, the principal and interest will be paid. Calculate the amount of interest expense that Starstruck Inc....

Q:

Midwestern Sod Company produces two products: fescue grass and Bermuda grass. The company has 130,000 square yards of growing space available. In the past year, the company dedicated 65,000 square...

Q:

9. Show that P-1, 3), (Q(6, 8) and R(11, 1) are the vertices of an isosceles triangle. Is APQRa right-angled triangle? Give reasons for your answer.

Q:

You are a participant in a game show. You will win a prize if you correctly guess which of three boxes contains the prize. You pick box #1, and the game show host opens one of the other two boxes,...

Q:

2. Should organizations establish policies that prevent dating a coworker? A supervisor? Explain your answer.

Q:

1. It has been said that authenticity is correlated with many aspects of psychological well-being such as improving self-esteem and coping skills. How does increased self-awareness help us grow in...

Q:

1. Is an office romance likely to affect the productivity of the two workers involved? Is it likely to affect the people who work with them?